[ 9.926694][ T242] 8021q: 802.1Q VLAN Support v1.8 [ 10.195949][ T253] gre: GRE over IPv4 demultiplexer driver [ 10.217769][ T253] ip_gre: GRE over IPv4 tunneling driver [ 11.782972][ T321] GACT probability NOT on [ 42.715254][ T592] [ 42.715341][ T592] ======================================================== [ 42.715467][ T592] WARNING: possible irq lock inversion dependency detected [ 42.715584][ T592] 7.1.0-rc5-virtme #1 Not tainted [ 42.715673][ T592] -------------------------------------------------------- [ 42.715788][ T592] sysctl/592 just changed the state of lock: [ 42.715887][ T592] ffffffffad37e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 42.716034][ T592] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 42.716153][ T592] (&ndev->lock){++--}-{3:3} [ 42.716155][ T592] [ 42.716155][ T592] [ 42.716155][ T592] and interrupts could create inverse lock ordering between them. [ 42.716155][ T592] [ 42.716436][ T592] [ 42.716436][ T592] other info that might help us debug this: [ 42.716554][ T592] Possible interrupt unsafe locking scenario: [ 42.716554][ T592] [ 42.716685][ T592] CPU0 CPU1 [ 42.716770][ T592] ---- ---- [ 42.716850][ T592] lock(acaddr_hash_lock); [ 42.716930][ T592] local_irq_disable(); [ 42.717030][ T592] lock(&ndev->lock); [ 42.717131][ T592] lock(acaddr_hash_lock); [ 42.717230][ T592] [ 42.717288][ T592] lock(&ndev->lock); [ 42.717347][ T592] [ 42.717347][ T592] *** DEADLOCK *** [ 42.717347][ T592] [ 42.717462][ T592] 2 locks held by sysctl/592: [ 42.717549][ T592] #0: ff11000008d943e0 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 42.717708][ T592] #1: ffffffffad28c9c0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_fixup_forwarding+0x4d/0x4d0 [ 42.717870][ T592] [ 42.717870][ T592] the shortest dependencies between 2nd lock and 1st lock: [ 42.718022][ T592] -> (&ndev->lock){++--}-{3:3} { [ 42.718105][ T592] HARDIRQ-ON-W at: [ 42.718166][ T592] __lock_acquire+0x378/0xc10 [ 42.718273][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.718378][ T592] _raw_write_lock_bh+0x38/0x50 [ 42.718482][ T592] addrconf_permanent_addr+0x108/0x9c0 [ 42.718603][ T592] addrconf_notify+0x151/0xf30 [ 42.718711][ T592] notifier_call_chain+0xb0/0x320 [ 42.718813][ T592] __dev_notify_flags+0xde/0x280 [ 42.718916][ T592] netif_change_flags+0xfe/0x190 [ 42.719017][ T592] do_setlink.isra.0+0x1cc3/0x2750 [ 42.719122][ T592] rtnl_newlink+0x8d1/0xef0 [ 42.719225][ T592] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 42.719329][ T592] netlink_rcv_skb+0x14e/0x3a0 [ 42.719431][ T592] netlink_unicast+0x486/0x750 [ 42.719536][ T592] netlink_sendmsg+0x735/0xc60 [ 42.719644][ T592] ____sys_sendmsg+0x419/0x850 [ 42.719752][ T592] ___sys_sendmsg+0x14e/0x1d0 [ 42.719858][ T592] __sys_sendmsg+0x145/0x1f0 [ 42.719965][ T592] do_syscall_64+0x117/0x590 [ 42.720070][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.720199][ T592] HARDIRQ-ON-R at: [ 42.720264][ T592] __lock_acquire+0x378/0xc10 [ 42.720367][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.720468][ T592] _raw_read_lock_bh+0x44/0x80 [ 42.720569][ T592] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 42.720703][ T592] inet6_fill_link_af+0x5c/0xe0 [ 42.720807][ T592] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 42.720925][ T592] rtnl_getlink+0x9c9/0xeb0 [ 42.721027][ T592] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 42.721127][ T592] netlink_rcv_skb+0x14e/0x3a0 [ 42.721233][ T592] netlink_unicast+0x486/0x750 [ 42.721332][ T592] netlink_sendmsg+0x735/0xc60 [ 42.721430][ T592] ____sys_sendmsg+0x419/0x850 [ 42.721527][ T592] ___sys_sendmsg+0x14e/0x1d0 [ 42.721624][ T592] __sys_sendmsg+0x145/0x1f0 [ 42.721726][ T592] do_syscall_64+0x117/0x590 [ 42.721829][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.721944][ T592] IN-SOFTIRQ-W at: [ 42.722008][ T592] __lock_acquire+0x378/0xc10 [ 42.722105][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.722200][ T592] _raw_write_lock+0x33/0x40 [ 42.722297][ T592] addrconf_rs_timer+0xb0/0x770 [ 42.722399][ T592] call_timer_fn+0x163/0x4f0 [ 42.722504][ T592] __run_timers+0x68f/0xab0 [ 42.722601][ T592] run_timer_softirq+0xf0/0x160 [ 42.722704][ T592] handle_softirqs+0x1d8/0x940 [ 42.722802][ T592] __irq_exit_rcu+0x103/0x1c0 [ 42.722900][ T592] irq_exit_rcu+0xe/0x30 [ 42.723008][ T592] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 42.723125][ T592] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 42.723240][ T592] pv_native_safe_halt+0xf/0x10 [ 42.723336][ T592] default_idle+0x9/0x10 [ 42.723435][ T592] default_idle_call+0x6e/0xb0 [ 42.723531][ T592] cpuidle_idle_call.constprop.0+0x237/0x410 [ 42.723660][ T592] do_idle+0xf5/0x160 [ 42.723756][ T592] cpu_startup_entry+0x53/0x70 [ 42.723860][ T592] start_secondary+0x204/0x2b0 [ 42.723963][ T592] common_startup_64+0x13e/0x148 [ 42.724066][ T592] IN-SOFTIRQ-R at: [ 42.724124][ T592] __lock_acquire+0x378/0xc10 [ 42.724221][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.724318][ T592] _raw_read_lock_bh+0x44/0x80 [ 42.724416][ T592] ipv6_get_lladdr+0xa8/0x3f0 [ 42.724521][ T592] ndisc_send_ns+0xf3/0x120 [ 42.724617][ T592] ndisc_solicit+0x314/0x480 [ 42.724722][ T592] neigh_probe+0xb3/0x100 [ 42.724820][ T592] __neigh_event_send+0x802/0x1070 [ 42.724917][ T592] neigh_resolve_output+0xbe/0x140 [ 42.725016][ T592] ip6_finish_output2+0x423/0x1300 [ 42.725114][ T592] ip6_finish_output+0x646/0xda0 [ 42.725212][ T592] ip6_output+0x23f/0x7f0 [ 42.725309][ T592] ip6_forward+0x10f4/0x2bd0 [ 42.725407][ T592] ip6_sublist_rcv_finish+0x9e/0x2a0 [ 42.725508][ T592] ip6_list_rcv_finish.constprop.0+0x60d/0xaa0 [ 42.725627][ T592] ipv6_list_rcv+0x32c/0x510 [ 42.725730][ T592] __netif_receive_skb_list_core+0x4ac/0x9e0 [ 42.725847][ T592] netif_receive_skb_list_internal+0x5f8/0xe20 [ 42.725964][ T592] napi_complete_done+0x1aa/0x8c0 [ 42.726065][ T592] gro_cell_poll+0x302/0x540 [ 42.726165][ T592] __napi_poll+0xd4/0x3b0 [ 42.726268][ T592] net_rx_action+0x513/0xf50 [ 42.726370][ T592] handle_softirqs+0x1d8/0x940 [ 42.726468][ T592] do_softirq+0xa9/0xe0 [ 42.726565][ T592] __local_bh_enable_ip+0x113/0x140 [ 42.726666][ T592] __neigh_event_send+0x30a/0x1070 [ 42.726770][ T592] neigh_resolve_output+0xbe/0x140 [ 42.726871][ T592] ip6_finish_output2+0x423/0x1300 [ 42.726972][ T592] ip6_finish_output+0x646/0xda0 [ 42.727072][ T592] ip6_output+0x23f/0x7f0 [ 42.727169][ T592] ip6_send_skb+0xee/0x350 [ 42.727266][ T592] rawv6_push_pending_frames+0x4cb/0xa90 [ 42.727385][ T592] rawv6_sendmsg+0x1434/0x1a50 [ 42.727481][ T592] __sys_sendto+0x2c9/0x400 [ 42.727578][ T592] __x64_sys_sendto+0xe4/0x1f0 [ 42.727679][ T592] do_syscall_64+0x117/0x590 [ 42.727776][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.727894][ T592] INITIAL USE at: [ 42.727954][ T592] __lock_acquire+0x378/0xc10 [ 42.728054][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.728151][ T592] _raw_write_lock_bh+0x38/0x50 [ 42.728248][ T592] addrconf_permanent_addr+0x108/0x9c0 [ 42.728365][ T592] addrconf_notify+0x151/0xf30 [ 42.728471][ T592] notifier_call_chain+0xb0/0x320 [ 42.728568][ T592] __dev_notify_flags+0xde/0x280 [ 42.728670][ T592] netif_change_flags+0xfe/0x190 [ 42.728768][ T592] do_setlink.isra.0+0x1cc3/0x2750 [ 42.728867][ T592] rtnl_newlink+0x8d1/0xef0 [ 42.728963][ T592] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 42.729064][ T592] netlink_rcv_skb+0x14e/0x3a0 [ 42.729162][ T592] netlink_unicast+0x486/0x750 [ 42.729258][ T592] netlink_sendmsg+0x735/0xc60 [ 42.729357][ T592] ____sys_sendmsg+0x419/0x850 [ 42.729456][ T592] ___sys_sendmsg+0x14e/0x1d0 [ 42.729553][ T592] __sys_sendmsg+0x145/0x1f0 [ 42.729651][ T592] do_syscall_64+0x117/0x590 [ 42.729747][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.729863][ T592] INITIAL READ USE at: [ 42.729941][ T592] __lock_acquire+0x378/0xc10 [ 42.730045][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.730161][ T592] _raw_read_lock_bh+0x44/0x80 [ 42.730258][ T592] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 42.730374][ T592] inet6_fill_link_af+0x5c/0xe0 [ 42.730477][ T592] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 42.730592][ T592] rtnl_getlink+0x9c9/0xeb0 [ 42.730695][ T592] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 42.730796][ T592] netlink_rcv_skb+0x14e/0x3a0 [ 42.730894][ T592] netlink_unicast+0x486/0x750 [ 42.730996][ T592] netlink_sendmsg+0x735/0xc60 [ 42.731094][ T592] ____sys_sendmsg+0x419/0x850 [ 42.731195][ T592] ___sys_sendmsg+0x14e/0x1d0 [ 42.731292][ T592] __sys_sendmsg+0x145/0x1f0 [ 42.731390][ T592] do_syscall_64+0x117/0x590 [ 42.731498][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.731614][ T592] } [ 42.731657][ T592] ... key at: [] __key.37+0x0/0x40 [ 42.731775][ T592] ... acquired at: [ 42.731835][ T592] __lock_acquire+0x508/0xc10 [ 42.731917][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.731996][ T592] _raw_spin_lock+0x33/0x40 [ 42.732078][ T592] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 42.732173][ T592] __ipv6_dev_ac_inc+0x57e/0x930 [ 42.732250][ T592] addrconf_join_anycast+0x1bc/0x260 [ 42.732328][ T592] dev_forward_change+0x2be/0x850 [ 42.732406][ T592] addrconf_fixup_forwarding+0x2af/0x4d0 [ 42.732511][ T592] addrconf_sysctl_forward+0x209/0x2b0 [ 42.732590][ T592] proc_sys_call_handler+0x31b/0x480 [ 42.732674][ T592] new_sync_write+0x333/0x750 [ 42.732751][ T592] vfs_write+0x6a4/0xc10 [ 42.732827][ T592] ksys_write+0x116/0x250 [ 42.732907][ T592] do_syscall_64+0x117/0x590 [ 42.732984][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.733087][ T592] [ 42.733127][ T592] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 42.733212][ T592] HARDIRQ-ON-W at: [ 42.733269][ T592] __lock_acquire+0x378/0xc10 [ 42.733366][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.733463][ T592] _raw_spin_lock+0x33/0x40 [ 42.733568][ T592] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 42.733694][ T592] __ipv6_dev_ac_inc+0x57e/0x930 [ 42.733800][ T592] addrconf_join_anycast+0x1bc/0x260 [ 42.733897][ T592] dev_forward_change+0x2be/0x850 [ 42.734006][ T592] addrconf_fixup_forwarding+0x2af/0x4d0 [ 42.734122][ T592] addrconf_sysctl_forward+0x209/0x2b0 [ 42.734219][ T592] proc_sys_call_handler+0x31b/0x480 [ 42.734321][ T592] new_sync_write+0x333/0x750 [ 42.734417][ T592] vfs_write+0x6a4/0xc10 [ 42.734514][ T592] ksys_write+0x116/0x250 [ 42.734610][ T592] do_syscall_64+0x117/0x590 [ 42.734713][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.734833][ T592] SOFTIRQ-ON-W at: [ 42.734892][ T592] __lock_acquire+0x378/0xc10 [ 42.734994][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.735092][ T592] _raw_spin_lock+0x33/0x40 [ 42.735188][ T592] __ipv6_dev_ac_dec+0x236/0x5d0 [ 42.735290][ T592] addrconf_leave_anycast+0x1bc/0x260 [ 42.735387][ T592] dev_forward_change+0x3b3/0x850 [ 42.735485][ T592] addrconf_fixup_forwarding+0x2af/0x4d0 [ 42.735603][ T592] addrconf_sysctl_forward+0x209/0x2b0 [ 42.735707][ T592] proc_sys_call_handler+0x31b/0x480 [ 42.735806][ T592] new_sync_write+0x333/0x750 [ 42.735903][ T592] vfs_write+0x6a4/0xc10 [ 42.736006][ T592] ksys_write+0x116/0x250 [ 42.736108][ T592] do_syscall_64+0x117/0x590 [ 42.736205][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.736321][ T592] INITIAL USE at: [ 42.736380][ T592] __lock_acquire+0x378/0xc10 [ 42.736483][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.736586][ T592] _raw_spin_lock+0x33/0x40 [ 42.736689][ T592] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 42.736805][ T592] __ipv6_dev_ac_inc+0x57e/0x930 [ 42.736902][ T592] addrconf_join_anycast+0x1bc/0x260 [ 42.737010][ T592] dev_forward_change+0x2be/0x850 [ 42.737113][ T592] addrconf_fixup_forwarding+0x2af/0x4d0 [ 42.737278][ T592] addrconf_sysctl_forward+0x209/0x2b0 [ 42.737376][ T592] proc_sys_call_handler+0x31b/0x480 [ 42.737478][ T592] new_sync_write+0x333/0x750 [ 42.737619][ T592] vfs_write+0x6a4/0xc10 [ 42.737728][ T592] ksys_write+0x116/0x250 [ 42.737825][ T592] do_syscall_64+0x117/0x590 [ 42.737964][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.738083][ T592] } [ 42.738127][ T592] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 42.738243][ T592] ... acquired at: [ 42.738340][ T592] mark_lock+0x1d7/0xa00 [ 42.738422][ T592] mark_usage+0x105/0x170 [ 42.738499][ T592] __lock_acquire+0x378/0xc10 [ 42.738577][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.738700][ T592] _raw_spin_lock+0x33/0x40 [ 42.738776][ T592] __ipv6_dev_ac_dec+0x236/0x5d0 [ 42.738854][ T592] addrconf_leave_anycast+0x1bc/0x260 [ 42.738932][ T592] dev_forward_change+0x3b3/0x850 [ 42.739054][ T592] addrconf_fixup_forwarding+0x2af/0x4d0 [ 42.739152][ T592] addrconf_sysctl_forward+0x209/0x2b0 [ 42.739231][ T592] proc_sys_call_handler+0x31b/0x480 [ 42.739310][ T592] new_sync_write+0x333/0x750 [ 42.739429][ T592] vfs_write+0x6a4/0xc10 [ 42.739507][ T592] ksys_write+0x116/0x250 [ 42.739585][ T592] do_syscall_64+0x117/0x590 [ 42.739669][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.739807][ T592] [ 42.739850][ T592] [ 42.739850][ T592] stack backtrace: [ 42.739950][ T592] CPU: 3 UID: 0 PID: 592 Comm: sysctl Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 42.739953][ T592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.739955][ T592] Call Trace: [ 42.739956][ T592] [ 42.739957][ T592] dump_stack_lvl+0x6f/0xa0 [ 42.739962][ T592] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 42.739965][ T592] mark_lock_irq+0x989/0x9c0 [ 42.739968][ T592] mark_lock+0x1d7/0xa00 [ 42.739970][ T592] mark_usage+0x105/0x170 [ 42.739971][ T592] __lock_acquire+0x378/0xc10 [ 42.739973][ T592] lock_acquire.part.0+0xbc/0x260 [ 42.739975][ T592] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 42.739976][ T592] ? rcu_is_watching+0x15/0xd0 [ 42.739979][ T592] ? do_raw_read_unlock+0x70/0x70 [ 42.739981][ T592] ? lock_acquire+0x134/0x160 [ 42.739983][ T592] _raw_spin_lock+0x33/0x40 [ 42.739984][ T592] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 42.739985][ T592] __ipv6_dev_ac_dec+0x236/0x5d0 [ 42.739989][ T592] addrconf_leave_anycast+0x1bc/0x260 [ 42.739991][ T592] ? find_held_lock+0x2b/0x80 [ 42.739995][ T592] ? __ipv6_isatap_ifid+0x210/0x210 [ 42.739997][ T592] ? mark_held_locks+0x40/0x70 [ 42.739998][ T592] ? lockdep_hardirqs_on+0x8c/0x130 [ 42.740000][ T592] dev_forward_change+0x3b3/0x850 [ 42.740002][ T592] ? addrconf_fixup_forwarding+0x4d/0x4d0 [ 42.740004][ T592] ? addrconf_sysctl_proxy_ndp+0x2f0/0x2f0 [ 42.740007][ T592] addrconf_fixup_forwarding+0x2af/0x4d0 [ 42.740009][ T592] addrconf_sysctl_forward+0x209/0x2b0 [ 42.740011][ T592] ? addrconf_fixup_forwarding+0x4d0/0x4d0 [ 42.740013][ T592] ? addrconf_fixup_forwarding+0x4d0/0x4d0 [ 42.740015][ T592] ? __kvmalloc_node_noprof+0x305/0x8a0 [ 42.740019][ T592] ? proc_sys_call_handler+0x25d/0x480 [ 42.740021][ T592] proc_sys_call_handler+0x31b/0x480 [ 42.740023][ T592] ? proc_sys_lookup+0x3d0/0x3d0 [ 42.740025][ T592] ? do_fault_around+0x300/0x5a0 [ 42.740028][ T592] ? find_held_lock+0x2b/0x80 [ 42.740030][ T592] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 42.740032][ T592] ? rcu_read_lock_any_held+0x3c/0x90 [ 42.740033][ T592] ? proc_sys_call_handler+0x480/0x480 [ 42.740035][ T592] new_sync_write+0x333/0x750 [ 42.740037][ T592] ? __lock_acquire+0x508/0xc10 [ 42.740038][ T592] ? new_sync_read+0x740/0x740 [ 42.740040][ T592] ? lock_acquire.part.0+0xbc/0x260 [ 42.740041][ T592] ? ksys_write+0x116/0x250 [ 42.740043][ T592] vfs_write+0x6a4/0xc10 [ 42.740045][ T592] ksys_write+0x116/0x250 [ 42.740046][ T592] ? __ia32_sys_read+0xc0/0xc0 [ 42.740048][ T592] ? rcu_is_watching+0x15/0xd0 [ 42.740050][ T592] ? rcu_is_watching+0x15/0xd0 [ 42.740051][ T592] do_syscall_64+0x117/0x590 [ 42.740053][ T592] ? trace_hardirqs_off+0xd/0x30 [ 42.740056][ T592] ? exc_page_fault+0xee/0x100 [ 42.740058][ T592] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.740059][ T592] RIP: 0033:0x7fb381fa308e [ 42.740062][ T592] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 42.740063][ T592] RSP: 002b:00007ffcd36e5b10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 42.740066][ T592] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb381fa308e [ 42.740068][ T592] RDX: 0000000000000002 RSI: 000055ca23b5a4b0 RDI: 0000000000000005 [ 42.740069][ T592] RBP: 00007ffcd36e5b20 R08: 0000000000000000 R09: 0000000000000000 [ 42.740069][ T592] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ca23b5c5e0 [ 42.740070][ T592] R13: 000055ca23b5a470 R14: 0000000000000002 R15: 0000000000000000 [ 42.740073][ T592]